bulbs

I plan on growing lettuce/kale hydroponically. I know this forum is geared towards weed, but I figured since weed also has a vegetation process, that someone might be able to give some insight on the below. ----- Was curious what you all think might be sufficient for my purpose. I'm also looking...

So, I've been a fan of CFLs for veg. The curly kind.. However, as of recently, the local stores don't carry cfl anymore and have all upgraded to the new LED bulbs. Are these bulbs good for growing? The added lifetime and energy savings compared to CFL isn't that impressive, especially...

What do you guys think of these T5 LED's? Might be an inexpensive option if bought fixture and bulbs separate. Cheap fixture for $30, 4 bulbs for $65. T5 Led Lights - LED Grow Lights Hyperikon T5 LED Light Tube, 3.75 FT (45.25 Inches), 22W (54W equivalent), 5000K (Crystal White Glow)...

I've had this happen on 2 grows now. The 1st was due to heat from LED's I've since switched to 4 ft 8 lamp T5's using 3200K Cool White {Red} for flower mode. I use FF schedule in Ocean Forest soil. The tops are 8" from the bulbs and I can leave my hand right on the bulbs without getting burned.

Hi folks of the 420 community! I'm looking for some advice from you nice people FOR MY FIRST GROW IN YEARS!!!! ....im looking to to buy 2 metal halide bulbs for vegging my ladies and want to know what lamps are best to buy!. I have 2 Lumatek 600w dimmable Pro ballasts (which take 400v lamps)...

I hope this is not a silly question, but can plants use light directed underneath to produce photosynthisis? I have a 4 x 4 x 6 ' space. Im using a 600w hps/mh above the plants (3) i have four T5 flouro bulbs that are 2700k (24w) and below I've added 3 led bulbs that are 80w a piece pointed...

Hi all, New to the forum and have been lurking for some time. (this and other forums) I can't seem to find an answer to my question about LED vs CFL A19 bulbs. (I've Googled to NO success) I have hesitated to post any questions because I've seen some noobs get reamed out for NOT reading every...

I currently have a 6 tube 4 ft T5 HO fixture with 6400 K bulbs (324 watts)that i am using to veg in y 4x4x6 tent. I am looking to use this fixture as side lighting with switching 4 of the 6 6400 K bulbs out for 2700 K bulbs and hanging a HID above the plants. I am using a 4 inch ventilation fan...

Between CFL bulbs and LED bulbs?? led bulb im talking about There are two key terms pertaining to light bulbs: watts and lumens. A watt refers to the amount of energy required to power a bulb. With incandescent bulbs, the number of watts has become synonymous with the level of brightness, even...

so i just bought the supplies to build 2 cfl reflectors: one containing 3-6 bulbs one containing 4-8 bulbs ill post pictures when finished. anyone have any recommendations? should i do a mix of warm and cool in both or should i do one warm(bloom room) and one cool(grow room)...

How many 42w (replace 150w) 2700k bulbs would it take to flower a signal plant? It also says 2730 lumens

Hi i have made a new grow box for my second grow it is as follows 18" x 18" x 42" The actual grow area is only 18" x 18" x 30" I have put in a floor over the pot to prevent wasting any light and reflect light to the underside of the leaves this floor comes apart so i have access to the...

Hi i have a 18" x 18" x 30" grow space with 8400 lumens of cfl lights should i add more lights as the current bulbs become further away from the base of the plant as the ceiling that the lights are attached to rises as the plant grows or will what i have be sufficient

What is the distance I need to put my plants from CFL bulbs on the seedling stage if I want to do a scrog later on? It won't be a problem if I put the plant 3 inches from the bulbs? The temperature reach 28c degree if I do so, But I told that I need to do so if I want to grow on a pc box...

I have several 4 foot shop lights from home depot that take two T8 fluorescent bulbs. The bulbs I'm using are 32w daylight. So each light should be drawing about 64 watts. However, when I plug them into a watt meter they read 190 watts! How is that even possible? Is the meter wrong? Any ideas?

Upgrading my op. Looking for opinions on mid range priced bulbs. I've used the baddass bulbs and love them, but since they don't make them anymore I need an alternative. I noticed there were no bulb sponsors. I'm leaning toward Ushio, about $30-60 max. I can't justify more on a bulb, unless...

Alright everyone, I have a question that searching online hasn't really answered yet. There's HPS bulbs out there for $16, and there's HPS bulbs out there for $110. Now I know, you get what you pay for and so on... But is a bulb thats $100 more going to yeild me that money back? What are all of...

So. I've been doing a ton of reading on uva and uvb supplementation in the later few weeks of flower..so much that I've decided to go ahead with it on the first run.. I bought some t5 HO 54 watt reptile bulbs and some fixtures.. I got 4 bulbs and 2 fixtures.. Bulbs came out to be $22.25 each and...

New to me set up, ballast can set to super , 1000w , 750w and 600w. ( was set on 600w) 2 bulbs m/h and a hps. But I have no clue on what watts the bulbs are one has a 6 b marking on the inside .. any suggestions ?

Hello i am new at this and was having a hard time figuring out where and how to post some questions. I have a t5 square light that requires 4 3 foot long bulbs and a 5 foot t5 that requires two bulbs. Now this is going to be my first indoor grow so i have some questions. One i am gonna use auto...